ILIADe 143:2019 | CLEN Method - European Commission
balance is tarred. Finally 10, 100, 300, 700 or 1000 µl of ethyl alcohol (for calibration standards 1 to 5, respectively) are added to the vial through the septum using a syringe. The content of the vial is mixed and weighed (the weight of ethyl alcohol a is recorded). The m balance is tarred and the vial is removed from the balance.